PACIFIC BELL
145 prefixes in 661 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 661-702 | SNCA NHCS | 9740 | — | Yes |
| 661-720 | DELANO | 9740 | — | Yes |
| 661-721 | DELANO | 9740 | — | — |
| 661-725 | DELANO | 9740 | — | — |
| 661-746 | SHAFTER | 9740 | — | — |
| 661-753 | SNCA NHCS | 9740 | — | Yes |
| 661-758 | WASCO | 9740 | — | — |
| 661-775 | SNCA NHCS | 9740 | — | — |
| 661-789 | PLDL PLDL | 9740 | — | Yes |
| 661-799 | SNCA NHCS | 9740 | — | — |
| 661-808 | BKFD MAIN | 9740 | — | Yes |
| 661-817 | BKFD MAIN | 9740 | — | Yes |
| 661-821 | TEHACHAPI | 9740 | — | Yes |
| 661-822 | TEHACHAPI | 9740 | — | — |
| 661-823 | TEHACHAPI | 9740 | — | Yes |
| 661-824 | MOJAVE | 9740 | — | — |
| 661-827 | BKFD SOUTH | 9740 | — | Yes |
| 661-829 | BKFD NORTH | 9740 | 2002-03-12 | Yes |
| 661-831 | BKFD SOUTH | 9740 | — | — |
| 661-832 | BKFD SOUTH | 9740 | — | — |
| 661-833 | BKFD SOUTH | 9740 | — | — |
| 661-834 | BKFD SOUTH | 9740 | — | — |
| 661-835 | BKFD SOUTH | 9740 | — | Yes |
| 661-836 | BKFD SOUTH | 9740 | — | Yes |
| 661-837 | BKFD SOUTH | 9740 | — | — |
| 661-842 | BKFD MAIN | 9740 | — | — |
| 661-845 | BKFD SOUTH | 9740 | — | — |
| 661-849 | EARLIMART | 9740 | — | Yes |
| 661-852 | BKFD MAIN | 9740 | — | Yes |
| 661-854 | ARVIN | 9740 | — | Yes |
| 661-855 | ARVIN | 9740 | — | Yes |
| 661-858 | BKFD SOUTH | 9740 | — | Yes |
| 661-859 | BKFD MAIN | 9740 | — | Yes |
| 661-861 | BKFD MAIN | 9740 | — | Yes |
| 661-862 | BKFD MAIN | 9740 | — | Yes |
| 661-863 | BKFD MAIN | 9740 | — | Yes |
| 661-864 | BKFD MAIN | 9740 | — | Yes |
| 661-867 | WALKERBSIN | 9740 | — | Yes |
| 661-868 | BKFD MAIN | 9740 | — | Yes |
| 661-869 | BKFD MAIN | 9740 | — | Yes |
| 661-871 | BKFD MAIN | 9740 | — | — |
| 661-872 | BKFD MAIN | 9740 | — | — |
| 661-873 | BKFD MAIN | 9740 | — | Yes |
| 661-944 | PLDL PLDL | 9740 | — | Yes |
| 661-947 | PLDL PLDL | 9740 | — | — |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.